package net.xgclass.online_xgclass.utils;

import java.security.MessageDigest;

    /**
     * 工具类
     */
    public class CommonUtils {


        /**
         * MD5加密工具类
         * @param data
         * @return
         */
        public static String MD5(String data)  {
            try {
                java.security.MessageDigest md = MessageDigest.getInstance("MD5");
                byte[] array = md.digest(data.getBytes("UTF-8"));
                StringBuilder sb = new StringBuilder();
                for (byte item : array) {
                    sb.append(Integer.toHexString((item & 0xFF) | 0x100).substring(1, 3));
                }

                return sb.toString().toUpperCase();
            } catch (Exception exception) {
            }
            return null;

        }

    }
